Instructor: Cowles 
                         Spring 2006, Homework 10

Due:  Fri., 04/14 in class

Textbook problems: 18.31, 18.32, 18.33 

Check the assumptions regarding population size
and regarding sample size (write down your findings).  
Then do the requested computation with pencil and paper. 
 Use SAS to verify your results for problems 18.31 and 18.32.